如果希望产生的画面能跟外部世界对得起来，你需要精确地知道用户在往哪儿看，特别是当他们的眼睛飞快地扫视时，要知道人的眼睛是可以以极快的速度进行扫视的。

You need to know exactly where the user is looking if you want to render graphics that line up with the world, especially when their eyes saccade (jump around), which our eyes do at a very high rate.

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这完全超出了大多数用户所需要的速度，但是Google的前提是，如果它建成了这样的网络，创新者可以简单的实现他们梦想的应用而不用考虑目前的网络速度。

It's far beyond what most Internet users would ever need, but Google's premise is that if it builds such a network, innovators will dream up applications simply not conceivable with today's pipes.

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上个礼拜，Google宣布他们开发出了一种新的图像文件格式，并声称这种格式不仅可以提升它们自身浏览器的速度更重要的是它可以提升整个互联网的速度。

Last week, Google announced that it has developed a new image file format that promises to speed up not only Google, but the rest of the Internet.

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